The average bus between Ayr and Dumbarton takes 2h 30m and the fastest bus takes 2h 4m. The bus runs at least 2 times per hour from Ayr to Dumbarton. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 30 minutes between Ayr and Dumbarton. The earliest departure is at 6:00 AM in the morning, and the last departure from Ayr is at 11:40 PM which arrives into Dumbarton at 7:44 AM. All services require a transfer at Waterloo Lane and take an average of 2h 30m. The schedules shown below are for the next available departures.

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2h 14m • 1 changeWant to know about travelling from Ayr to Dumbarton? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Ayr to Dumbarton. However, there are services departing from Ayr Bus Station and arriving at Riverside Lane station via Waterloo Lane station. The journey, including transfers, takes approximately 2h 30m.
Ayr to Dumbarton bus services, operated by Stagecoach West Scotland, depart from Ayr Bus Station.
Ayr to Dumbarton bus services, operated by First Greater Glasgow, arrive at Riverside Lane station.
The distance between Ayr and Dumbarton is 53.7 km. The road distance is 74 km.
You can take a bus from Ayr Bus Station to Riverside Lane via Waterloo Lane and Howard Street in around 2h 31m.